Malfunction Indicator Lamp (MIL) Illuminated – DTC P026A Set – 2017-2023 Chevrolet Silverado & GMC Sierra

2023 Chevrolet Silverado

NHTSA ID Number: 10222655 Manufacturer Communication Number: 18-NA-011 Summary Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.   Condition Some customers may comment that the MIL is illuminated Some technicians may find DTC P026A set on vehicles with a snow plow installed.   Information Note: When a snow … Read more

Identify Engine Misfiring and/or Malfunction Indicator Lamp (MIL) Illuminated – DTC P0300 Setting – 2017-2023 Chevrolet Silverado & GMC Sierra

2023 Chevrolet Silverado

NHTSA ID Number: 10222659 Manufacturer Communication Number: 19-NA-187 Summary This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.   Condition Some customers may comment on one or more of the following conditions: MIL illuminated Engine misfire Some technicians may find DTC P0300 set in the Engine Control Module (ECM). … Read more

Malfunction Indicator Lamp (MIL) Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set – 2000-2022 GM Passenger Cars and Trucks

Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10219266 Manufacturer Communication Number: 20-NA-065 Summary This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.   Condition Some customers may comment that the MIL is illuminated. Technicians may find one or … Read more

Intermittent Click Noise at Front of Vehicle, ABS, Traction Control System (TCS)/ Stabilitrak Lamps May Illuminate Intermittently and/or Deactivate for Ignition Cycle – DTC P215B, C0035-C0051 Set – 2017-2019 Chevrolet Bolt EV

2019 Chevrolet Bolt EV

NHTSA ID Number: 10222799 Manufacturer Communication Number: 22-NA-089 Summary This service bulletin provides a Service Procedure to correct customer concerns of Intermittent Click Noise at Front of Vehicle, ABS, Traction Control System (TCS)/Stabilitrak Lamps May Illuminate Intermittently and/or Deactivate for Ignition Cycle with DTC P215B, C0035-C0051 Set.   Condition Some customers may comment on one or more … Read more

Malfunction Indicator Lamp (MIL) Illuminated – DTC P219A and/or P219B Set – 2016-2022 Buick Cadillac Chevrolet GMC Holden

General Motors

NHTSA ID Number: 10222837 Manufacturer Communication Number: 22-NA-193 Summary This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.   Condition Some customers may comment that the MIL is illuminated. Some technicians may find one or more of the following codes set in the … Read more